Tag: Study type: Screening LCA
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G-23 Choice of LCI/LCIA datasets for screening LCA
Aspect G-23 Choice of LCI/LCIA datasets for screening LCA Description Different LCI/LCA data are needed to assess the environmental impacts of buildings. They make it possible to quantify the different impacts related to the building products and equipment, the construction site, the operational energy and water uses, and the deconstruction of the building. Depending on…
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G-22 Data selection for a product LCA
Aspect G-22 Data selection for a product LCA Description Various data sources exist for the calculation of product LCA data. They differ for example in terms of specificity, age, completeness and certainty. What data requirements apply for the production of product LCA data? related study objective ☒ stand-alone LCA ☒ comparative assertion related study phase…
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G-26 Use of building physical description data
Aspect G-26 Use of building physical description data Description The type, the format, the level of detail and the quality of building-related data depend on the time of assessment (e.g. concept stage, basic design stage, detailed design stage, as built), on the objective of the study, and on the building’s stakeholders. Which kind of data…
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G-27 (Buildings) / G-25 (Products) Choice of environmental indicators – screening and simplified LCA
Aspect G-27 (Buildings) / G-25 (Products) Choice of environmental indicators – screening and simplified LCA Description The choice of a set of environmental indicators should always try to avoid pollution transfer. Currently, a large number of indicators can be found in the LCA literature. They fall into different: selected LCI indicators, midpoint life cycle impact…
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G-29 (Buildings) / G-27 (Products) Abiotic resources depletion indicator
Aspect G-29 (Buildings) / G-27 (Products) Abiotic resources depletion indicator Description In LCA, different indicators can be used for assessing the use of resources. These can be based on a thermodynamic approach (use of energy or exergy indicators), on a mass flow approach (use of a total mass requirement indicator), on a surplus of energy…
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G-30 (Buildings) / G-28 (Products) Land use indicator
Aspect G-30 (Buildings) / G-28 (Products) Land use indicator Description Land-use change is linked to human activities such as the exploitation of land for agricultural, industrial, residential, recreational, or other purposes. Currently, several LCIA methods exist, providing both midpoint and endpoint characterization factors. According to the ILCD Handbook, the midpoint characterization factor for land use,…
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G-32 (Buildings) / G-30 (Products) Human toxicity and ecotoxicity indicators
Aspect G-32 (Buildings) / G-30 (Products) Human toxicity and ecotoxicity indicators Description LCIA methodologies usually include midpoint or endpoint indicators for three area of protection: resources, human health and ecosystem. For the two last areas of protection, different indicators are currently available to assess the ecotoxicity and toxicity effects related to a product or a…
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G-33 (Buildings) / G-31 (Products) Ionizing radiation indicator
Aspect G-33 (Buildings) / G-31 (Products) Ionizing radiation indicator Description ‘Ionizing radiation’ is an impact category in LCA related to the damage to human health and ecosystems that is linked to the emissions of radionuclides throughout a product or building life cycle. In the building sector, they can be linked to the use of nuclear…
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G-34 (Buildings) / G-32 (Products) Water consumption as a new impact category
Aspect G-34 (Buildings) / G-32 (Products) Water consumption as a new impact category Description The water consumed during the life cycle of a product or a building can have an impact on the environment. This impact actually depends on the geographical location. For example, in some regions of the world, the same amount of consumed…
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G-35 (Buildings) / G-33 (Products) Normalization of indicators
Aspect G-35 (Buildings) / G-33 (Products) Normalization of indicators Description According to the ILCD Handbook, the normalization step refers to the expression of indicators (LCIA, midpoints or endpoints) relative to a common reference by dividing the indicator results by the respective reference value. Different normalization factors can be applied in practice to help the interpretation…